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BranchCommit messageAuthorAge
archive/unc-master-3.0P-FP: fix BUG_ON releated to priority inheritanceBjoern Brandenburg13 years
archived-2013.1uncachedev: mmap memory that is not cached by CPUsGlenn Elliott12 years
archived-private-masterMerge branch 'wip-2.6.34' into old-private-masterAndrea Bastoni15 years
archived-semi-partMerge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...Andrea Bastoni15 years
demoFurther refinementsJonathan Herman14 years
ecrts-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
ecrts14-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
gpusync-rtss12Final GPUSync implementation.Glenn Elliott12 years
gpusync/stagingRename IKGLP R2DGLP.Glenn Elliott12 years
linux-tipMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...Linus Torvalds15 years
litmus2008-patch-seriesadd i386 feather-trace implementationBjoern B. Brandenburg16 years
masterPSN-EDF: use inferred_sporadic_job_release_atBjoern Brandenburg9 years
pgmmake it compileGlenn Elliott12 years
prop/litmus-signalsInfrastructure for Litmus signals.Glenn Elliott13 years
prop/robust-tie-breakFixed bug in edf_higher_prio().Glenn Elliott13 years
stagingFix tracepoint compilation errorFelipe Cerqueira13 years
test9/23/2016Namhoon Kim9 years
tracing-develTest kernel tracing events capabilitiesAndrea Bastoni16 years
v2.6.34-with-arm-patchessmsc911x: Add spinlocks around registers accessCatalin Marinas15 years
v2015.1Add ARM syscall def for get_current_budgetBjoern Brandenburg10 years
wip-2011.2-bbbLitmus core: simplify np-section protocolBjoern B. Brandenburg14 years
wip-2011.2-bbb-traceRefactor sched_trace_log_message() -> debug_trace_log_message()Andrea Bastoni14 years
wip-2012.3-gpuSOBLIV draining support for C-EDF.Glenn Elliott12 years
wip-2012.3-gpu-preportpick up last C-RM fileGlenn Elliott12 years
wip-2012.3-gpu-rtss13Fix critical bug in GPU tracker.Glenn Elliott12 years
wip-2012.3-gpu-sobliv-budget-w-ksharkProper sobliv draining and many bug fixes.Glenn Elliott12 years
wip-aedzl-finalMake it easier to compile AEDZL interfaces in liblitmus.Glenn Elliott15 years
wip-aedzl-revisedAdd sched_trace data for Apative EDZLGlenn Elliott15 years
wip-arbit-deadlineFix compilation bug.Glenn Elliott13 years
wip-aux-tasksDescription of refined aux task inheritance.Glenn Elliott13 years
wip-bbbGSN-EDF & Core: improve debug TRACE'ing for NP sectionsBjoern B. Brandenburg14 years
wip-bbb-prio-donuse correct timestampBjoern B. Brandenburg14 years
wip-better-breakImplement hash-based EDF tie-breaking.Glenn Elliott13 years
wip-binary-heapMake C-EDF work with simplified binheap_deleteGlenn Elliott13 years
wip-budgetAdded support for choices in budget policy enforcement.Glenn Elliott15 years
wip-colorSummarize schedulability with final recordJonathan Herman13 years
wip-color-jlhsched_color: Fixed two bugs causing crashing on experiment restart and a rare...Jonathan Herman13 years
wip-d10-hz1000Enable HZ=1000 on District 10Bjoern B. Brandenburg15 years
wip-default-clusteringFeature: Make default C-EDF clustering compile-time configurable.Glenn Elliott15 years
wip-dissipation-jericksoUpdate from 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-ecrts14-pgmMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
wip-edf-hsblast tested versionJonathan Herman14 years
wip-edf-osLookup table EDF-osJeremy Erickson12 years
wip-edf-tie-breakMerge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...Glenn Elliott13 years
wip-edzl-critiqueUse hr_timer's active checks instead of having own flag.Glenn Elliott15 years
wip-edzl-finalImplementation of the EDZL scheduler.Glenn Elliott15 years
wip-edzl-revisedClean up comments.Glenn Elliott15 years
wip-eventsAdded support for tracing arbitrary actions.Jonathan Herman15 years
wip-extra-debugDBG: add additional tracingBjoern B. Brandenburg15 years
wip-fix-switch-jericksoAttempt to fix race condition with plugin switchingJeremy Erickson15 years
wip-fix3sched: show length of runqueue clock deactivation in /proc/sched_debugBjoern B. Brandenburg15 years
wip-fmlp-dequeueImprove FMLP queue management.Glenn Elliott14 years
wip-ft-irq-flagFeather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-gpu-cleanupEnable sched_trace log injection from userspaceGlenn Elliott13 years
wip-gpu-interruptsRemove option for threading of all softirqs.Glenn Elliott14 years
wip-gpu-rtas12Generalized GPU cost predictors + EWMA. (untested)Glenn Elliott13 years
wip-gpu-rtss12Final GPUSync implementation.Glenn Elliott13 years
wip-gpu-rtss12-srpexperimental changes to support GPUs under SRPGlenn Elliott13 years
wip-gpusync-mergeCleanup priority tracking for budget enforcement.Glenn Elliott11 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott13 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott14 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim7 years
wip-kernthreadsKludge work-queue processing into klitirqd.Glenn Elliott15 years
wip-klmirqd-to-auxAllow klmirqd threads to be given names.Glenn Elliott13 years
wip-ksharkMerge branch 'mpi-staging' into wip-ksharkJonathan Herman13 years
wip-litmus-3.2Merge commit 'v3.2' into litmus-stagingAndrea Bastoni13 years
wip-litmus2011.2Cleanup: Coding conformance for affinity stuff.Glenn Elliott14 years
wip-litmus3.0-2011.2Feather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-master-2.6.33-rtAvoid deadlock when switching task policy to BACKGROUND (ugly)Andrea Bastoni15 years
wip-mcRemoved ARM-specific hacks which disabled less common mixed-criticality featu...Jonathan Herman12 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay13 years
wip-mc-jericksoSplit C/D queuesJeremy Erickson15 years
wip-mc2-cache-slackManually patched mc^2 related codeMing Yang10 years
wip-mcrit-maccosmeticMac Mollison15 years
wip-merge-3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-merge-v3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-migration-affinityNULL affinity dereference in C-EDF.Glenn Elliott14 years
wip-mmap-uncacheshare branch with othersGlenn Elliott13 years
wip-modechangeRTSS 2017 submissionNamhoon Kim8 years
wip-nested-lockingAppears to be working.Bryan Ward12 years
wip-omlp-gedfFirst implementation of G-OMLP.Glenn Elliott15 years
wip-paiSome cleanup of PAIGlenn Elliott14 years
wip-percore-lib9/21/2016Namhoon Kim9 years
wip-performanceCONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.Glenn Elliott14 years
wip-pgmAdd PGM support to C-FLGlenn Elliott12 years
wip-pgm-splitFirst draft of C-FL-splitNamhoon Kim12 years
wip-pm-ovdAdd preemption-and-migration overhead tracing supportAndrea Bastoni15 years
wip-prio-inhP-EDF updated to use the generic pi framework.Glenn Elliott15 years
wip-prioq-dglBUG FIX: Support DGLs with PRIOQ_MUTEXGlenn Elliott13 years
wip-refactored-gedfGeneralizd architecture for GEDF-style scheduelrs to reduce code redundancy.Glenn Elliott15 years
wip-release-master-fixbugfix: release master CPU must signal task was pickedBjoern B. Brandenburg14 years
wip-robust-tie-breakEDF priority tie-breaks.Glenn Elliott13 years
wip-rt-ksharkMove task time accounting into the complete_job method.Jonathan Herman13 years
wip-rtas12-pgmScheduling of PGM jobs.Glenn Elliott13 years
wip-semi-partFix compile error with newer GCCJeremy Erickson12 years
wip-semi-part-edfos-jericksoUse initial CPU set by clientJeremy Erickson12 years
wip-shared-libTODO: Fix condition checks in replicate_page_move_mapping()Namhoon Kim9 years
wip-shared-lib2RTAS 2017 Submission ver.Namhoon Kim9 years
wip-shared-memInitial commit for shared libraryNamhoon Kim9 years
wip-splitting-jericksoFix release behaviorJeremy Erickson13 years
wip-splitting-omlp-jericksoBjoern's Dissertation Code with Priority DonationJeremy Erickson13 years
wip-stage-binheapAn efficient binary heap implementation.Glenn Elliott13 years
wip-sun-portDynamic memory allocation and clean exit for FeatherTraceChristopher Kenna15 years
wip-timer-tracebugfix: C-EDF, clear scheduled field of the correct CPU upon task_exitAndrea Bastoni15 years
wip-tracepointsAdd kernel-style events for sched_trace_XXX() functionsAndrea Bastoni14 years
 
TagDownloadAuthorAge
2015.1commit 8e51b37822...Bjoern Brandenburg10 years
2013.1commit bcaacec1ca...Glenn Elliott12 years
2012.3commit c158b5fbe4...Jonathan Herman13 years
2012.2commit b53c479a0f...Glenn Elliott13 years
2012.1commit 83b11ea1c6...Bjoern B. Brandenburg14 years
rtas12-mc-beta-expcommit 8e236ee20f...Christopher Kenna14 years
2011.1commit d11808b5c6...Christopher Kenna15 years
v2.6.37-rc4commit e8a7e48bb2...Linus Torvalds15 years
v2.6.37-rc3commit 3561d43fd2...Linus Torvalds15 years
v2.6.37-rc2commit e53beacd23...Linus Torvalds15 years
v2.6.37-rc1commit c8ddb2713c...Linus Torvalds15 years
v2.6.36commit f6f94e2ab1...Linus Torvalds15 years
2010.2commit 5c5456402d...Bjoern B. Brandenburg15 years
v2.6.36-rc8commit cd07202cc8...Linus Torvalds15 years
v2.6.36-rc7commit cb655d0f3d...Linus Torvalds15 years
v2.6.36-rc6commit 899611ee7d...Linus Torvalds15 years
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2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
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v2.6.15-rc3commit 624f54be20...Linus Torvalds20 years
v2.6.15-rc2commit 3bedff1d73...Linus Torvalds20 years
v2.6.15-rc1commit cd52d1ee9a...Linus Torvalds20 years
v2.6.14commit 741b2252a5...Linus Torvalds20 years
v2.6.14-rc5commit 93918e9afc...Linus Torvalds20 years
v2.6.14-rc4commit 907a426179...Linus Torvalds20 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds20 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds20 years
v2.6.14-rc1commit 2f4ba45a75...Linus Torvalds20 years
v2.6.13commit 02b3e4e2d7...Linus Torvalds20 years
v2.6.13-rc7commit 0572e3da3f...Linus Torvalds20 years
v2.6.13-rc6commit 6fc32179de...Linus Torvalds20 years
v2.6.13-rc5commit 9a351e30d7...Linus Torvalds20 years
v2.6.13-rc4commit 6395352334...Linus Torvalds20 years
v2.6.11tree c39ae07f39...
v2.6.11-treetree c39ae07f39...
v2.6.12commit 9ee1c939d1...
v2.6.12-rc2commit 1da177e4c3...
v2.6.12-rc3commit a2755a80f4...
v2.6.12-rc4commit 88d7bd8cb9...
v2.6.12-rc5commit 2a24ab628a...
v2.6.12-rc6commit 7cef5677ef...
v2.6.13-rc1commit 4c91aedb75...
v2.6.13-rc2commit a18bcb7450...
v2.6.13-rc3commit c32511e271...
opt">, state, false); if (error) { suspend_stats.failed_resume_noirq++; dpm_save_failed_step(SUSPEND_RESUME_NOIRQ); dpm_save_failed_dev(dev_name(dev)); pm_dev_err(dev, state, " noirq", error); } } mutex_lock(&dpm_list_mtx); put_device(dev); } mutex_unlock(&dpm_list_mtx); async_synchronize_full(); dpm_show_time(starttime, state, "noirq"); resume_device_irqs(); cpuidle_resume(); } /** * device_resume_early - Execute an "early resume" callback for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * * Runtime PM is disabled for @dev while this function is being executed. */ static int device_resume_early(struct device *dev, pm_message_t state, bool async) { pm_callback_t callback = NULL; char *info = NULL; int error = 0; TRACE_DEVICE(dev); TRACE_RESUME(0); if (dev->power.syscore || dev->power.direct_complete) goto Out; if (!dev->power.is_late_suspended) goto Out; dpm_wait(dev->parent, async); if (dev->pm_domain) { info = "early power domain "; callback = pm_late_early_op(&dev->pm_domain->ops, state); } else if (dev->type && dev->type->pm) { info = "early type "; callback = pm_late_early_op(dev->type->pm, state); } else if (dev->class && dev->class->pm) { info = "early class "; callback = pm_late_early_op(dev->class->pm, state); } else if (dev->bus && dev->bus->pm) { info = "early bus "; callback = pm_late_early_op(dev->bus->pm, state); } if (!callback && dev->driver && dev->driver->pm) { info = "early driver "; callback = pm_late_early_op(dev->driver->pm, state); } error = dpm_run_callback(callback, dev, state, info); dev->power.is_late_suspended = false; Out: TRACE_RESUME(error); pm_runtime_enable(dev); complete_all(&dev->power.completion); return error; } static void async_resume_early(void *data, async_cookie_t cookie) { struct device *dev = (struct device *)data; int error; error = device_resume_early(dev, pm_transition, true); if (error) pm_dev_err(dev, pm_transition, " async", error); put_device(dev); } /** * dpm_resume_early - Execute "early resume" callbacks for all devices. * @state: PM transition of the system being carried out. */ static void dpm_resume_early(pm_message_t state) { struct device *dev; ktime_t starttime = ktime_get(); mutex_lock(&dpm_list_mtx); pm_transition = state; /* * Advanced the async threads upfront, * in case the starting of async threads is * delayed by non-async resuming devices. */ list_for_each_entry(dev, &dpm_late_early_list, power.entry) { reinit_completion(&dev->power.completion); if (is_async(dev)) { get_device(dev); async_schedule(async_resume_early, dev); } } while (!list_empty(&dpm_late_early_list)) { dev = to_device(dpm_late_early_list.next); get_device(dev); list_move_tail(&dev->power.entry, &dpm_suspended_list); mutex_unlock(&dpm_list_mtx); if (!is_async(dev)) { int error; error = device_resume_early(dev, state, false); if (error) { suspend_stats.failed_resume_early++; dpm_save_failed_step(SUSPEND_RESUME_EARLY); dpm_save_failed_dev(dev_name(dev)); pm_dev_err(dev, state, " early", error); } } mutex_lock(&dpm_list_mtx); put_device(dev); } mutex_unlock(&dpm_list_mtx); async_synchronize_full(); dpm_show_time(starttime, state, "early"); } /** * dpm_resume_start - Execute "noirq" and "early" device callbacks. * @state: PM transition of the system being carried out. */ void dpm_resume_start(pm_message_t state) { dpm_resume_noirq(state); dpm_resume_early(state); } EXPORT_SYMBOL_GPL(dpm_resume_start); /** * device_resume - Execute "resume" callbacks for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * @async: If true, the device is being resumed asynchronously. */ static int device_resume(struct device *dev, pm_message_t state, bool async) { pm_callback_t callback = NULL; char *info = NULL; int error = 0; DECLARE_DPM_WATCHDOG_ON_STACK(wd); TRACE_DEVICE(dev); TRACE_RESUME(0); if (dev->power.syscore) goto Complete; if (dev->power.direct_complete) { /* Match the pm_runtime_disable() in __device_suspend(). */ pm_runtime_enable(dev); goto Complete; } dpm_wait(dev->parent, async); dpm_watchdog_set(&wd, dev); device_lock(dev); /* * This is a fib. But we'll allow new children to be added below * a resumed device, even if the device hasn't been completed yet. */ dev->power.is_prepared = false; if (!dev->power.is_suspended) goto Unlock; if (dev->pm_domain) { info = "power domain "; callback = pm_op(&dev->pm_domain->ops, state); goto Driver; } if (dev->type && dev->type->pm) { info = "type "; callback = pm_op(dev->type->pm, state); goto Driver; } if (dev->class) { if (dev->class->pm) { info = "class "; callback = pm_op(dev->class->pm, state); goto Driver; } else if (dev->class->resume) { info = "legacy class "; callback = dev->class->resume; goto End; } } if (dev->bus) { if (dev->bus->pm) { info = "bus "; callback = pm_op(dev->bus->pm, state); } else if (dev->bus->resume) { info = "legacy bus "; callback = dev->bus->resume; goto End; } } Driver: if (!callback && dev->driver && dev->driver->pm) { info = "driver "; callback = pm_op(dev->driver->pm, state); } End: error = dpm_run_callback(callback, dev, state, info); dev->power.is_suspended = false; Unlock: device_unlock(dev); dpm_watchdog_clear(&wd); Complete: complete_all(&dev->power.completion); TRACE_RESUME(error); return error; } static void async_resume(void *data, async_cookie_t cookie) { struct device *dev = (struct device *)data; int error; error = device_resume(dev, pm_transition, true); if (error) pm_dev_err(dev, pm_transition, " async", error); put_device(dev); } /** * dpm_resume - Execute "resume" callbacks for non-sysdev devices. * @state: PM transition of the system being carried out. * * Execute the appropriate "resume" callback for all devices whose status * indicates that they are suspended. */ void dpm_resume(pm_message_t state) { struct device *dev; ktime_t starttime = ktime_get(); might_sleep(); mutex_lock(&dpm_list_mtx); pm_transition = state; async_error = 0; list_for_each_entry(dev, &dpm_suspended_list, power.entry) { reinit_completion(&dev->power.completion); if (is_async(dev)) { get_device(dev); async_schedule(async_resume, dev); } } while (!list_empty(&dpm_suspended_list)) { dev = to_device(dpm_suspended_list.next); get_device(dev); if (!is_async(dev)) { int error; mutex_unlock(&dpm_list_mtx); error = device_resume(dev, state, false); if (error) { suspend_stats.failed_resume++; dpm_save_failed_step(SUSPEND_RESUME); dpm_save_failed_dev(dev_name(dev)); pm_dev_err(dev, state, "", error); } mutex_lock(&dpm_list_mtx); } if (!list_empty(&dev->power.entry)) list_move_tail(&dev->power.entry, &dpm_prepared_list); put_device(dev); } mutex_unlock(&dpm_list_mtx); async_synchronize_full(); dpm_show_time(starttime, state, NULL); cpufreq_resume(); } /** * device_complete - Complete a PM transition for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. */ static void device_complete(struct device *dev, pm_message_t state) { void (*callback)(struct device *) = NULL; char *info = NULL; if (dev->power.syscore) return; device_lock(dev); if (dev->pm_domain) { info = "completing power domain "; callback = dev->pm_domain->ops.complete; } else if (dev->type && dev->type->pm) { info = "completing type "; callback = dev->type->pm->complete; } else if (dev->class && dev->class->pm) { info = "completing class "; callback = dev->class->pm->complete; } else if (dev->bus && dev->bus->pm) { info = "completing bus "; callback = dev->bus->pm->complete; } if (!callback && dev->driver && dev->driver->pm) { info = "completing driver "; callback = dev->driver->pm->complete; } if (callback) { pm_dev_dbg(dev, state, info); callback(dev); } device_unlock(dev); pm_runtime_put(dev); } /** * dpm_complete - Complete a PM transition for all non-sysdev devices. * @state: PM transition of the system being carried out. * * Execute the ->complete() callbacks for all devices whose PM status is not * DPM_ON (this allows new devices to be registered). */ void dpm_complete(pm_message_t state) { struct list_head list; might_sleep(); INIT_LIST_HEAD(&list); mutex_lock(&dpm_list_mtx); while (!list_empty(&dpm_prepared_list)) { struct device *dev = to_device(dpm_prepared_list.prev); get_device(dev); dev->power.is_prepared = false; list_move(&dev->power.entry, &list); mutex_unlock(&dpm_list_mtx); device_complete(dev, state); mutex_lock(&dpm_list_mtx); put_device(dev); } list_splice(&list, &dpm_list); mutex_unlock(&dpm_list_mtx); } /** * dpm_resume_end - Execute "resume" callbacks and complete system transition. * @state: PM transition of the system being carried out. * * Execute "resume" callbacks for all devices and complete the PM transition of * the system. */ void dpm_resume_end(pm_message_t state) { dpm_resume(state); dpm_complete(state); } EXPORT_SYMBOL_GPL(dpm_resume_end); /*------------------------- Suspend routines -------------------------*/ /** * resume_event - Return a "resume" message for given "suspend" sleep state. * @sleep_state: PM message representing a sleep state. * * Return a PM message representing the resume event corresponding to given * sleep state. */ static pm_message_t resume_event(pm_message_t sleep_state) { switch (sleep_state.event) { case PM_EVENT_SUSPEND: return PMSG_RESUME; case PM_EVENT_FREEZE: case PM_EVENT_QUIESCE: return PMSG_RECOVER; case PM_EVENT_HIBERNATE: return PMSG_RESTORE; } return PMSG_ON; } /** * device_suspend_noirq - Execute a "late suspend" callback for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * * The driver of @dev will not receive interrupts while this function is being * executed. */ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool async) { pm_callback_t callback = NULL; char *info = NULL; int error = 0; if (async_error) goto Complete; if (pm_wakeup_pending()) { async_error = -EBUSY; goto Complete; } if (dev->power.syscore || dev->power.direct_complete) goto Complete; dpm_wait_for_children(dev, async); if (dev->pm_domain) { info = "noirq power domain "; callback = pm_noirq_op(&dev->pm_domain->ops, state); } else if (dev->type && dev->type->pm) { info = "noirq type "; callback = pm_noirq_op(dev->type->pm, state); } else if (dev->class && dev->class->pm) { info = "noirq class "; callback = pm_noirq_op(dev->class->pm, state); } else if (dev->bus && dev->bus->pm) { info = "noirq bus "; callback = pm_noirq_op(dev->bus->pm, state); } if (!callback && dev->driver && dev->driver->pm) { info = "noirq driver "; callback = pm_noirq_op(dev->driver->pm, state); } error = dpm_run_callback(callback, dev, state, info); if (!error) dev->power.is_noirq_suspended = true; else async_error = error; Complete: complete_all(&dev->power.completion); return error; } static void async_suspend_noirq(void *data, async_cookie_t cookie) { struct device *dev = (struct device *)data; int error; error = __device_suspend_noirq(dev, pm_transition, true); if (error) { dpm_save_failed_dev(dev_name(dev)); pm_dev_err(dev, pm_transition, " async", error); } put_device(dev); } static int device_suspend_noirq(struct device *dev) { reinit_completion(&dev->power.completion); if (pm_async_enabled && dev->power.async_suspend) { get_device(dev); async_schedule(async_suspend_noirq, dev); return 0; } return __device_suspend_noirq(dev, pm_transition, false); } /** * dpm_suspend_noirq - Execute "noirq suspend" callbacks for all devices. * @state: PM transition of the system being carried out. * * Prevent device drivers from receiving interrupts and call the "noirq" suspend * handlers for all non-sysdev devices. */ static int dpm_suspend_noirq(pm_message_t state) { ktime_t starttime = ktime_get(); int error = 0; cpuidle_pause(); suspend_device_irqs(); mutex_lock(&dpm_list_mtx); pm_transition = state; async_error = 0; while (!list_empty(&dpm_late_early_list)) { struct device *dev = to_device(dpm_late_early_list.prev); get_device(dev); mutex_unlock(&dpm_list_mtx); error = device_suspend_noirq(dev); mutex_lock(&dpm_list_mtx); if (error) { pm_dev_err(dev, state, " noirq", error); dpm_save_failed_dev(dev_name(dev)); put_device(dev); break; } if (!list_empty(&dev->power.entry)) list_move(&dev->power.entry, &dpm_noirq_list); put_device(dev); if (async_error) break; } mutex_unlock(&dpm_list_mtx); async_synchronize_full(); if (!error) error = async_error; if (error) { suspend_stats.failed_suspend_noirq++; dpm_save_failed_step(SUSPEND_SUSPEND_NOIRQ); dpm_resume_noirq(resume_event(state)); } else { dpm_show_time(starttime, state, "noirq"); } return error; } /** * device_suspend_late - Execute a "late suspend" callback for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * * Runtime PM is disabled for @dev while this function is being executed. */ static int __device_suspend_late(struct device *dev, pm_message_t state, bool async) { pm_callback_t callback = NULL; char *info = NULL; int error = 0; __pm_runtime_disable(dev, false); if (async_error) goto Complete; if (pm_wakeup_pending()) { async_error = -EBUSY; goto Complete; } if (dev->power.syscore || dev->power.direct_complete) goto Complete; dpm_wait_for_children(dev, async); if (dev->pm_domain) { info = "late power domain "; callback = pm_late_early_op(&dev->pm_domain->ops, state); } else if (dev->type && dev->type->pm) { info = "late type "; callback = pm_late_early_op(dev->type->pm, state); } else if (dev->class && dev->class->pm) {